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Discovery of Cells
Chapter 7
| Term | Definition |
|---|---|
| Cells | the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. |
| Anton Von Leeuwenhoek | Dutch pioneer microscopist who was among the first to recognize cells in animals and who gave the first accurate descriptions of microbes and spermatozoa and blood corpuscles |
| Robert Hooke | English scientist who formulated the law of elasticity and proposed a wave theory of light and formulated a theory of planetary motion and proposed the inverse square law of gravitational attraction and discovered the cellular structure of cork |
| Cell Theory | the theory that cells form the fundamental structural and functional units of all living organisms |
| Prokaryotes | a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. |
| Eukaryotes | an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. |
| Eyepiece | the lens or group of lenses that is closest to the eye in a microscope |
| Objectives | lens system |
| Nosepiece | The part of a microscope, often rotatable, to which one or more objective lenses are attached. |
| Coarse Adjustment | A means of moving the body tube and objective towards or away from the slide, to bring the specimen into rough focus |
| Fine Adjustment | part of the microscope that is used for focusing finer details |
| Diaphragm | different sized holes and is used to vary the intensity and size of the light. |
| Stage | were the specimen is held. |
| Cell Wall | a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose. |
| Cell Membrane | the semipermeable membrane surrounding the cytoplasm of a cell. |
| Cellulose | |
| Glucose | |
| Homeostasis | |
| Selectively | |
| Permeable | |
| Lipid | |
| Phospholipid | |
| Hydrophobic | |
| Fluid Mosaic Model | |
| Amino Acid | |
| Protein | |
| Organelle | |
| Nucleus | |
| Chromatin | |
| Ribosomes | |
| Endoplasmic Reticulum | |
| Rough Endoplasmic Reticulum (RER) | |
| Smooth Endoplasmic Reticulum (SER) | |
| Mitochondria | |
| ATP | |
| Cristae | |
| Golgi Complex | |
| Vacuole | |
| Lysosome | |
| Chloroplast | |
| Thylakoids | |
| Grana | |
| Stroma | |
| Cilia | |
| Flagella | |
| Photosynthesis | |
| Chlorophyll | |
| Centrioles | |
| Cytoskeleton | |
| Cytoplasm | |
| DNA |
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Hannah_lizzy
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